{5-[(2S,3S,4S,5S,6R)-3,5-Bis-benzyloxy-6-(tert-butyl-dimethyl-silanyloxymethyl)-4-hydroxy-tetrahydro-pyran-2-yloxy]-pentyl}-carbamic acid benzyl ester 、
Acetic acid (2R,3R,4S,5S,6R)-3-benzyloxy-2-benzyloxymethyl-5-((2R,3S,4S,5R,6R)-3,4-diacetoxy-5-benzyloxy-6-benzyloxymethyl-tetrahydro-pyran-2-yloxy)-6-p-tolylsulfanyl-tetrahydro-pyran-4-yl ester 在
N-碘代丁二酰亚胺 、
三氟甲磺酸 作用下,
反应 2.0h,
以85%的产率得到